APA (7th ed.) Citation

Matos, A., Cabo, P., Ribeiro, M. I., & Fernandes, A. (2010). Economical valuation of environmental goods and services.

Chicago Style (17th ed.) Citation

Matos, Alda, Paula Cabo, Maria Isabel Ribeiro, and António Fernandes. Economical Valuation of Environmental Goods and Services. 2010.

MLA (8th ed.) Citation

Matos, Alda, et al. Economical Valuation of Environmental Goods and Services. 2010.